/**
 * Express.js 基本示例
 */
//导入Express模块
const express = require("express");
//导入Cookie模块
const cookieParser = require("cookie-parser");
//创建Express应用
const app = express();
//Express http 服务端口
const port = 3001;

app.use(express.json());
app.use(express.urlencoded({extended: false}));

app.use(cookieParser());


app.get("/", function(req,res){
    if(req.cookies.remember){
        res.send(`记住了。<a href="/forget">忘记</a>!`);
    }else{
        let str = `
            <form method="post">
                <label>
                    <input type="checkbox" name="remember" />记住
                </label>
                <input type="submit" value="提交" />
            </form>
        `;
        res.send(str);
    }
});

app.get("/forget", function(req,res){
    res.clearCookie("remember");
    res.redirect("back");
});

app.post("/", function(req,res){
    let minute=6000;
    if(req.body.remember)
        res.cookie("remember", 1, {maxAge: minute});
    res.redirect("back");
});

//启动Express服务
app.listen(port, function(){
    console.log(`MyApp访问地址： http://127.0.0.1:${port}`);
});